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All Journal Widyagogik : Jurnal Pendidikan dan Pembelajaran Sekolah Dasar Jurnal Pembelajaran dan Biologi Nukleus BEKTI : Jurnal Pengabdian Kepada Masarakat
Ashari, Makmum
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media

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Pengembangan Modul Berbasis Kearifan Lokal "Nyadran" di Kabupaten Lamongan Tema 3 Subtema 1 Kelas V SD Negeri Pangkatrejo Pistanty, Mingle A; Sarima, Sarima; Ashari, Makmum
Widyagogik Vol 12, No 2 (2024): Widyagogik
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/widyagogik.v12i2.21871

Abstract

The integration of science learning through experimental activities is crucial in enhancing students' understanding of natural product chemistry. This study explores the antioxidant potential of Centella asiatica (Gotu kola) extract as a contextual learning medium in scientific education. Centella asiatica is a medicinal plant widely used in traditional medicine for its bioactive compounds, including triterpenoids, flavonoids, alkaloids, and saponins, which exhibit significant antioxidant properties. This study aims to evaluate and compare the antioxidant activity of C. asiatica extracts obtained using three different solvents: 70% ethanol, N-hexane, and ethyl acetate, utilizing the DPPH (2,2-diphenyl-1-picrylhydrazyl) method. Antioxidant activity was assessed based on the ability of the extract to scavenge DPPH radicals, measured spectrophotometrically at a wavelength of 517 nm. The findings revealed that all extracts exhibited antioxidant activity, with the 70% ethanol extract demonstrating the highest potency, achieving an IC50 value of 19.50 µg/ml, compared to N-hexane and ethyl acetate extracts. These results highlight the potential of C. asiatica as a natural antioxidant source, relevant for health product development and scientific experimentation in educational settings. This study underscores the importance of incorporating laboratory-based research into science curricula to enhance students' analytical and experimental skills while fostering an appreciation for the application of natural product research in health sciences.
Edukasi Bela Negara Bagi Mahasiswa PPG Universitas Cenderawasih Untuk Membangun Karakter Nasionalisme dan Patriotisme Pistanty, Mingle A; Sarima; Ginting, Inriyatni Sri Pertiwi; Paotonan, Nesliani; Ashari, Makmum; Lintong, Fikstif Donal
BEKTI : Jurnal Pengabdian kepada Masyarakat Vol. 3 No. 2 (2024): BEKTI : Jurnal Pengabdian Kepada Masarakat (November 2024 - February 2025)
Publisher : Lembaga Citra Pustaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56480/bekti.v3i2.1354

Abstract

Teacher Professional Education (PPG) students as prospective educators have an important role in instilling national values in students. However, their understanding of the concept of defending the country still needs to be improved. Therefore, this service activity aims to provide education about defending the country to PPG students of Cenderawasih University in order to build their nationalism and patriotism character. The subjects in this activity are all students of the Cenderawasih University Pre-Service PPG Program. The scheme of community service is by going directly to the students to socialize and provide understanding to PPG students regarding National Defense which is the theme of this community service. There was a significant increase in student understanding after participating in this educational activity. Before being given the material, only 40% of students obtained a score above 70 in the pre-test, while after education, as many as 85% of students achieved this score in the post-test. This increase shows that the methods applied in this activity are effective in increasing students' understanding of defending the country. The national defense education provided to PPG students of Cenderawasih University has been proven to be able to increase their understanding of the importance of nationalism and patriotism. For the next service, it is recommended to have a more interactive approach and a wider range of participants so that the impact is more optimal
Utilization of Taro (Colocasia esculenta) as a Bacterial Growth Medium Supporting Microbiology Laboratory Independence Based on Local Papuan Food Resources Sarima, Sarima; Ashari, Makmum; Kiding, Rimba Lukas; Yoku, Estervina Ribka Ance
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.7972

Abstract

Background: In universities, the availability of bacterial growth media, which is typically synthetic media such as Nutrient Agar (NA), is extremely important for microbiology practicum activities. Nevertheless, in eastern Indonesia, such as Papua, the high cost of commercial media, the reliance on distribution from outside the region, and the limited budget and laboratory facilities frequently present obstacles to access. Currently, there is a significant lack of research on the use of Papuan local food resources as an alternative medium for bacterial growth. Consequently, further research is required to address this gap. The objective of this investigation is to investigate the potential of taro (Colocasia esculenta), a local source of Papuan carbohydrates, as the foundation for the development of an alternative medium for the growth of Escherichia coli bacteria. This is due to the amylose content of 20–25% and amylopectin of 75–80%, which have the potential to serve as an energy source for bacteria. Method: The media was made from taro extract formulated with the addition of agar, glucose, and MSG, then sterilized and inoculated with E. Coli bacteria. The data were analyzed using the parameters of the number of colonies (CFU/mL) with the ALT calculation standard, as well as a descriptive comparison between the control medium (NA) and the taro media. Results: The Taro alternative media is capable of supporting bacterial growth at a rate of 8.3 × 10⁶ CFU/mL, which is approximately 75.5% of the NA media's capacity of 11 × 106 CFU/mL. Although the color of the colonies differs slightly, the morphological characteristics of colonies growing in alternative media are similar to those of colonies in NA media in terms of shape, elevation, size, and edges. Conclusions: These findings indicate that taro has significant potential as a substitute for microbiological media that is based on local resources.  Not only does the utilization of this medium offer practical and cost-effective solutions for laboratory activities, but it also promotes educational independence and innovation that are rooted in local knowledge in restricted regions.  The implications of this research provide opportunities for laboratory independence in the 3T area and promote the utilization of local wisdom for sustainable microbiology research and education 
Co-Authors Fikstif Donal Lintong Ginting, Inriyatni Sri Pertiwi Kiding, Rimba Lukas Mingle A Pistanty, Mingle A Paotonan, Nesliani Sarima Sarima, Sarima Yoku, Estervina Ribka Ance